Property and Equipment, net - Schedule of Property and Equipment (Details) - USD ($) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 24,759,046	$ 22,702,401
Less: accumulated depreciation	(4,308,261)	(2,207,919)
Property and equipment, net	20,450,785	20,494,482
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	379,709	384,088
Electronic Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,231,805	599,495
Vehicle
Property Plant And Equipment [Line Items]
Property and equipment, gross	75,164	77,460
Laboratory Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	5,046,146	3,916,615
Manufacturing Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	10,345,449	9,368,930
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	4,801,850	4,607,975
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 2,878,923	$ 3,747,838

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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